PYRAMIDELLA.— Plate I. 



Species 4. (Fig. a, b, Mus. Cuming.) 



PvRAMlDELLA TESSELLATA. Pyr. testd eloiifjalo-pyra- 

 ihkhttn, Ueijigatu, pallidiasime fulvd, (infroctibiis im- 

 merosis, macuUs qaadratis seriehus tj-ibm cincid, idli- 

 mo infra subrolundu, siiturd excavutil, aperturd ob- 

 loii(/d, ad basin canaliferd, culumelld rixtd, trijjlicald, 

 labro mibsmiialu, leitiii. 



The tessellated Pykamidella. Sliell elongate, taper- 

 ing, smooth, very pale-brown, whorls numerous, girt 

 with three rows of rather square spots, last whorl 

 rounded, suture impressed, aperture oblong, with a 

 canal at the base, columella straight, three-plaited, 

 outer lip rather sinuous, thin, 



A. Adams, iSowerby's Thes. Conch. Obeliscus sp. 12. 



Hab. Island of Masbate, Philippines (in sandy mud). 



A much more slender shell iXvAU P. pmicialus, s]i. .5, 

 with the last whorl and the canal much more produced. 

 It is also very difl'erentlv marked. 



Species 5. (Mus. Cuming.) 



Pyrajiidella punctata. Pyr. testa elongato-pyrami- 

 datd, loni/ititdinaliter slriatd, laevigata, albidd, griseo 

 snbiilald, vwculis riifu-nigrescentibiis magnis sparsim 

 et irregidaritcr, atrpie alleris parvis siibqnadralis, in- 

 aqualibns seriatim pictn, avfractibus numerusis, siib- 

 rotundis, nllimo hmiuscido in vurice desivente, siitiird 

 excavotd, aperturd siibpyriforivi, columella triplicaid, 

 labro iiicrossa/o, ad basin subemarginato. 

 The spotted Pyuamidella. Shell elongate, tapering, 

 longitudinally striated, smooth, nearly white, clouded 

 with grey, ornamented with a few large blackish-red 

 spots irregularly placed, and others smaller, rather 

 square, arianged in rows, wliorls numerous, rather 

 round, the last rather short, terminating in a varix, 

 suture excavated, aperture pyriform, columella three- 

 plaited, outer lip thickened, emarginated at the base. 

 Chemnitz, Conch, pi. 4. f. 1493, 1494. 

 Pyramidella maculosa, Lam. 

 Platia yiiltala. Link. 

 Hab. Moluccas. 



A large solid species, finely clouded and spotted. 



Species C. (Mus. Cuming.) 



Pyramidella teres. Pyr. testa elongalo-pyramidatd, 

 alba, anfraciibus niinwrosis, subplannlatis, lined pal- 

 lidd riifd spirali et fasciis nndnlatis lonyilndinaHbiis 

 cinctis, siiliird e.rcacatd, ultimo anfracln lined im- 



pressdcinctd, aperturd ovali, antice in cnnalem brevem 

 productd, colnnielld arcuatd, triplicaid. 



The pillar Pyramidella. Shell elongate, tapering, 

 white, whorls numerous, rather flat, girt with a pale- 

 reddish spiral line and undulating longitudinal bands, 

 suture excavated, last whorl with an impressed line, 

 aperture oval, anteriorly produced into a short canal, 

 columella arched, three-plaited. 



A. Adams, Sowerby's Thes. Conch. Obeliscus sp. 10. 



Hab. Island of Pauay (on the beach) ; Cuming. 

 A shell of numerous whorls and very elongate form. 



Species 7. (Pig. a, b, Mus. Cuming.) 



Pyramidella monilis. Pyr. testd subcentricosd, pyra- 

 midatd, lonyitudinaliler minutissime striata, albd, Im- 

 vigatd, maculis f/iscis paUidis in seriebus Iribus pictd, 

 anfraciibus subventricosis, nllimo injluto, rotundalo, in 

 varice desinente, aperturd pyrifjrmi, columella tripli- 

 caid, plica poslicd ma.i-imd, labro subexpan.w, ad 

 basin emarginalo. 



The beaded Pyramidella. Shell rather ventricose, 

 tapering, very linely longitudinally striated, white, 

 smooth, painted with small brown spots in three 

 rows, whorls rather ventricose, the last inflated' 

 rounded, ending in a varix, aperture pyriform, colu- 

 mella with three plaits, the hinder one very large, 

 outer lip slightly expanded, emarginated at the base. 



A. Adams, Sowerby's Thes. Conch. Obeliscus sp. 5. 



Hab. Island of Negros, Philippines (seven fathoms, coarse 

 sand) ; Cuming. 

 A lighter and narrower shell than P. sulcata, although 



more ventricose than P. teres. 



Species 8. (Mus. Cuming.) 



Pyramidella terebelloides. Pyr. testa subulatd, 

 pyramidatd, anguslitisculd, tenui, nitidd, albd, spirali- 

 ter llneis rnbris tribus ornaid, anfraciibus svbrotundis, 

 sulurd impressd, aperturd oblongd, antice subprodvcld, 

 columella recurcd, biplicatd. 



The auger-like Pyramidella. Shell subulate, pyra- 

 midal, rather narrow, thin, smooth, white, ornamented 

 with three spiral red lines, whorls slightly rounded, 

 suture impressed, aperture oblong, rather produced in 

 front, columella recurved, with two plaits. 



A. Adams, Sowerby's Thes. Conch. Obeliscus sp. 11. 



Hab. ? 



IMuch narrower than P. terebellmn, and having only two 



plaits on the columella. 



